Home / 615,677.11-849,626.15-343,749.17

Finding the Fourth Proportional to 615,677.11, 849,626.15 and 343,749.17

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Solution

The fourth proportional to 615,677.11, 849,626.15 and 343,749.17 is: 474,369.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,677.11 : 849,626.15 = 343,749.17 : x
  2. Step 2: Convert to fraction form
    615,677.11/849,626.15 = 343,749.17/x
  3. Step 3: Cross multiply
    615,677.11x = 849,626.15 × 343,749.17
  4. Step 4: Simplify right side
    615,677.11x = 292,058,284,278.12
  5. Step 5: Solve for x
    x = 292,058,284,278.12/615,677.11
  6. Step 6: Final answer
    x = 474,369.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.